Question

a. [7 - 3x +10y - (x – 2y)] - [5x + 2y - 10]​

Answer 1

Step-by-step explanation:

7-3x+10y-x+2y-5x-2y+10

10y-9x+17

hope it helps you......

Answer 2

Answer:

$< 7 - 3x + 10y - < x - 2y > > - < 5x + 2y - 10 > \\ < 7 - 3x + 10x - x + 2y > - < 5x + 2y - 10 > \\ 7 - 3x + 10y - x + 2y - 5x - 2y + 10 \\ = - 9x + 10y + 17$

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